摘要
针对老石旦煤矿采空区的自燃问题,分析其031601工作面自燃发火的原因。根据实际情况采取了井下注液氮技术进行防灭火,并对注液氮防灭火注意事项和效果进行了认真地分析。分析结果表明注液氮防灭火效果良好,可保证矿井的安全生产。
According to the spontaneous combustion in goaf area at Laoshidan coal mine, analyzes the reasons of spontaneous combustion in 031601 workface. According to the actual situation, takes the measures that the liquid nitrogen injection technology to prevent or extinguish fire at underground mine. And analyzes the attention matters and effect of liquid nitrogen fire extinguishing technology. The analyze result shows that the effect of liquid nitrogen fire extinguishing technology is good, which can ensure the safe production in coal mine.
出处
《煤矿机电》
2016年第1期101-104,108,共5页
Colliery Mechanical & Electrical Technology
关键词
注液氮防灭火技术
隔氧
降温
惰化抑爆
liquid nitrogen fire extinguishing technology
oxygen isolation
cooling
inertia flame-proof
